72061-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72061-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,6 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72061-91:
(7*7)+(6*2)+(5*0)+(4*6)+(3*1)+(2*9)+(1*1)=107
107 % 10 = 7
So 72061-91-7 is a valid CAS Registry Number.
InChI:InChI=1/C23H30O7.CH4O/c1-6-18-23(4,26)22(3)20(25)16(29-21(22)30-18)12-10-8-7-9-11-15-14(2)17(27-5)13-19(24)28-15;1-2/h7-13,16,18,20-21,25-26H,6H2,1-5H3;2H,1H3/b8-7+,11-9+,12-10+;/t16-,18-,20+,21+,22+,23-;/m1./s1